Peanut butter and Port thumbprints

A long time ago I bought an adorable cookbook filled with recipes spiked with alcohol; but me being me, when it came to using the book I realized I did not have all those kinds of booze around the house – I don’t even have any tequila at home! – and therefore the cookbook patiently awaited on the shelf, up until the day it suddenly hit me: I had a bottle of Port begging to be used! That is how